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Compruebe el monitor principal en JavaScript con navigator.mediaDevices.getUserMedia

Quiero capturar el monitor principal por el navegador. Estoy tratando de hacerlo así:

 navigator.mediaDevices.getDisplayMedia({ video: { displaySurface: 'monitor', logicalSurface: true, cursor: 'always', frameRate: { ideal: 20 } } })

A continuación, el usuario elige qué pantalla transmitirá. Quiero comprobar que el usuario ha seleccionado el monitor principal (en caso de que haya varios). ¿Como puedo hacer esto? Gracias.

about 4 years ago · Juan Pablo Isaza
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Al verificar displaySurface .

 navigator.mediaDevices.getDisplayMedia({ video: { displaySurface: 'monitor', logicalSurface: true, cursor: 'always', frameRate: { ideal: 20 } } }) .then((strm) => { let displaySurface = strm.getVideoTracks()[0].getSettings().displaySurface; console.log(displaySurface); if (displaySurface !== 'monitor') { // do your stuff... } }) .catch((err) => console.error(err));
about 4 years ago · Juan Pablo Isaza Report
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